On Thu, Dec 29, 2011 at 10:31 PM, Avi Kivity <avi@xxxxxxxxxx> wrote: > On 12/29/2011 04:03 PM, Liu ping fan wrote: >> > Why do we want an independent grace period, is hotunplugging a vcpu that >> > much different from hotunplugging memory? >> > >> I thought that if less readers on the same srcu lock, then >> synchronize_srcu_expedited() may success to return more quickly. > > It would be good to measure it, otherwise it's premature optimization. > Yes, after using kprobetrace to measure it, I found it was premature optimization. So I will resort to the kvm->srcu, instead of creating a new one in next version. Thanks and regards ping fan > -- > error compiling committee.c: too many arguments to function > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
